<?php
//echo date_default_timezone_get();
echo date_default_timezone_set('Asia/Kolkata');
$seconds = strtotime('-20 DAYS');
echo date('Y-m-d H:i:s',$seconds);

exit;
$email = array_filter($email);
$email = array_map('remoaveQuotes',$email);
$email = array_unique($email);
$email = array_values($email);
print_r($email);

exit;

$email = array_map('removeQuotes',$email);
$email = array_unique($email);
$email = array_filter($email);
$email = array_values($email);

var_export($email);
///var_export(array_filter(array_unique(array_values($email))));

function removeQuotes($val)
{
  return trim($val,' "');
}
